Funding for this research was provided by:
Open Society Foundations
Robert Carr Fund
MAC AIDS Fund
Received: 5 August 2020
Accepted: 12 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: This study received ethical approval from the Ethics Committee of the Institut d’Investicio Sanitaria Pere Virgili in Barcelona, Spain. All of the participants signed a consent form approved by the Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.